15233045553 has 12 divisors (see below), whose sum is σ = 24003587088. Its totient is φ = 9232148760.

The previous prime is 15233045549. The next prime is 15233045609. The reversal of 15233045553 is 35554033251.

15233045553 is a `hidden beast` number, since 1 + 523 + 30 + 4 + 55 + 53 = 666.

It is not a de Polignac number, because 15233045553 - 2² = 15233045549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15233045053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76934475 + ... + 76934672.

It is an arithmetic number, because the mean of its divisors is an integer number (2000298924).

Almost surely, 2^15233045553 is an apocalyptic number.

It is an amenable number.

15233045553 is a deficient number, since it is larger than the sum of its proper divisors (8770541535).

15233045553 is a wasteful number, since it uses less digits than its factorization.

15233045553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153869164 (or 153869161 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 15233045553 in words is "fifteen billion, two hundred thirty-three million, forty-five thousand, five hundred fifty-three".